Diocles of Corinth was an ancient Greek

Ancient Greek

Ancient Greek is the stage of the Greek language in the periods spanning the times c. 9th–6th centuries BC, , c. 5th–4th centuries BC , and the c. 3rd century BC – 6th century AD of ancient Greece and the ancient world; being predated in the 2nd millennium BC by Mycenaean Greek...

 athlete from Corinth

Corinth

Corinth is a city and former municipality in Corinthia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Corinth, of which it is the seat and a municipal unit...

 who won the stadion race of the 13th Ancient Olympic Games in 728 BC. The stadion race (about 180 meters) was the only competition in the first 13 Olympiads.

Diocles is said to have been the lover of Philolaos of the Bacchiadae

Bacchiadae

The Bacchiadae , a tightly-knit Doric clan, were the ruling family of archaic Corinth in the eighth and seventh centuries BCE, a period of Corinthian cultural power. Corinth had been a backwater in eighth-century Greece...

 family who became a Nomothete

Legislator

A legislator is a person who writes and passes laws, especially someone who is a member of a legislature. Legislators are usually politicians and are often elected by the people...

 (lawmaker) in Thebes

Thebes, Greece

Thebes is a city in Greece, situated to the north of the Cithaeron range, which divides Boeotia from Attica, and on the southern edge of the Boeotian plain. It played an important role in Greek myth, as the site of the stories of Cadmus, Oedipus, Dionysus and others...

. Diocles then left Corinth to live with Philolaos in Thebes.